Plunger Seal, Gold Back Catalog number: CTS-2061 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3321 Wash Seal Gasket, 6/pk Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request